# #643c20

A color — warm, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#643c20`
- RGB: rgb(100, 60, 32)
- HSL: hsl(25, 52%, 26%)
- OKLCH: oklch(0.398 0.07 54.2)
- Relative luminance: 0.0605
- Nearest named color: Brown (#653700, Δ 2.467) — https://brandsweets.com/colors/brown-2
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/643c20

## Tints & shades

- Tints (toward white): #804d28, #9b5d31, #ba703b, #c88251, #d0966c, #d9a987, #e2bca2, #ebd3c1, #f4e6dc, #fdf9f7
- Shades (toward black): #5d381d, #55331b, #4a2c17, #422815, #3a2312, #321e10, #2b1a0d, #1f130a, #170e07, #100905

## Harmonies

- Complementary: #204865
- Analogous: #652026, #655f20
- Triadic: #20653d, #3d2065
- Split-complementary: #20655f, #202665
- Tetradic: #266520, #204865, #5f2065

## Colors that go with #643c20

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Blue** #0000ff [pool] — 4 real palettes, including Dunkin''s brand system and Minecraft's brand system put Blue beside #643c20, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Jeep (https://brandsweets.com/colors/brands/jeep-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #643c20: 5 real palettes, including Bramble and Bakery, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Bakery (https://brandsweets.com/palettes/warm#bakery), Notion (https://brandsweets.com/colors/brands/notion), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #643c20 in 5 real palettes, including M&M's's brand system and Dunkin''s brand system, as the supporting colour. Seen in: M&M's (https://brandsweets.com/colors/brands/mms-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Burger King (https://brandsweets.com/colors/brands/bk-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/crimson
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #643c20 in 4 real palettes, including Bookshop and Darkroom, as the accent. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #643c20: 8 real palettes, including Stone and Darkroom, as the supporting colour. Seen in: Stone (https://brandsweets.com/palettes/neutral#stone), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/sage-green
- **Steel Blue** #4682b4 [harmony: complementary] — Steel Blue sits directly opposite #643c20 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/steelblue
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #643c20: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Cream** #fffdd0 [role] — Cream is the surface #643c20 wants: a warm off-white that shares its undertone, so #643c20 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 9.51:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a76435 (4.52:1); AA: background → #b3b3b3 (4.53:1); AAA: text → #ca8858 (7.17:1); AAA: background → #dedede (7.07:1)

## Brands using this color

- **Domino's** — secondary #603913 (Δ 1.692) — https://brandsweets.com/colors/brands/dominos-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/643c20-c4b19c-62cbc4-2d2b1f-f1e9ea?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#643c20" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
